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PRUEBA 2- NOVENO GRADO

Authored by Karla Fernandez

Mathematics

9th Grade

Used 3+ times

PRUEBA 2- NOVENO GRADO
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplifica la raíz cuadrada de 72.

4√18

8√3

12√6

6√2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Racionaliza el denominador de 1/(√5).

5/√5

1/5

√5 / 5

√5 / 10

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Resuelve la ecuación cuadrática x² - 5x + 6 = 0.

x = 2, x = 3

x = 0, x = 5

x = 1, x = 4

x = -2, x = -3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calcula el discriminante de la ecuación 2x² + 4x + 2 = 0.

0

-4

2

1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Dado el siguiente gráfico selecciona la afirmación falsa

El valor de a>0 en y=a^2+c

El valor de c<0 en y=a^2+c

El valor de a<0 en y=a^2+c

El vértice de la parábola es (0,-2)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identifica el vértice de la parábola dada

(1, -6)

(-2,0)

(0,-2)

(0, 2)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplifica la raíz cuadrada de 50.

√100

2√25

5√2

10√5

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